RFC2616.h

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/*
 *  Copyright (c) 2015-present, Facebook, Inc.
 *  All rights reserved.
 *
 *  This source code is licensed under the BSD-style license found in the
 *  LICENSE file in the root directory of this source tree. An additional grant
 *  of patent rights can be found in the PATENTS file in the same directory.
 *
 */
#pragma once

#include <folly/Optional.h>
#include <folly/Range.h>
#include <proxygen/lib/http/HTTPMethod.h>
#include <string>

namespace proxygen {

class HTTPHeaders;

namespace RFC2616 {

enum class BodyAllowed {
  DEFINED,
  NOT_DEFINED,
  NOT_ALLOWED,
};
BodyAllowed isRequestBodyAllowed(folly::Optional<HTTPMethod> method);

bool responseBodyMustBeEmpty(unsigned status);

bool bodyImplied(const HTTPHeaders& headers);

using TokenQPair = std::pair<folly::StringPiece, double>;

bool parseQvalues(folly::StringPiece value, std::vector<TokenQPair> &output);

bool parseByteRangeSpec(
    folly::StringPiece value,
    unsigned long& firstByte,
    unsigned long& lastByte,
    unsigned long& instanceLength);

}}